<template>
    <el-card class="page-container">
        <template #header>
            <div class="header">
                <span>更换头像</span>
            </div>
        </template>
        <el-row>
            <el-col :span="12">
                <el-upload ref="uploadRef" class="avatar-uploader" :show-file-list="false" :auto-upload="true"
                    action="/api/upload" name="file" :headers="{ 'Authorization': tokenStore.token }"
                    :on-success="uploadSuccess">

                    <img v-if="imgUrl" :src="imgUrl" class="avatar" />
                    <img v-else :src="avatar" width="278" />
                </el-upload>
                <br />
                <el-button type="primary" :icon="Plus" size="large"
                    @click="uploadRef.$el.querySelector('input').click()">
                    选择图片
                </el-button>
                <el-button type="success" :icon="Upload" size="large" @click="updateAvatar">
                    上传头像
                </el-button>
            </el-col>
        </el-row>
    </el-card>
</template>

<script setup>
    import { Plus, Upload } from '@element-plus/icons-vue'
    import { ref } from 'vue'
    import avatar from '@/assets/default.png'
    const uploadRef = ref()

    //获取token
    import { useTokenStore } from '@/stores/token.js'
    const tokenStore = useTokenStore()

    //获取pinia中的用户信息
    import { useUserInfoStore } from '@/stores/userInfo.js'
    const userInfoStore = useUserInfoStore()
    //更改用户头像地址
    const imgUrl = ref(userInfoStore.userInfo.userPic)

    //上传成功的回调函数
    const uploadSuccess = (result) => {
        imgUrl.value = result.data
    }
    // 更新头像
    import { userAvatarUpdateService } from '@/api/user.js'
    import { ElMessage } from 'element-plus'
    const updateAvatar = async () => {
        let result = await userAvatarUpdateService(imgUrl.value)
        ElMessage.success(result.message ? result.message : '头像更新成功')
        // 更新 Pinia 中的用户信息
        userInfoStore.userInfo.userPic = imgUrl.value
    }

</script>

<style lang="scss" scoped>
    .avatar-uploader {
        :deep() {
            .avatar {
                width: 278px;
                height: 278px;
                display: block;
            }

            .el-upload {
                border: 1px dashed var(--el-border-color);
                border-radius: 6px;
                cursor: pointer;
                position: relative;
                overflow: hidden;
                transition: var(--el-transition-duration-fast);
            }

            .el-upload:hover {
                border-color: var(--el-color-primary);
            }

            .el-icon.avatar-uploader-icon {
                font-size: 28px;
                color: #8c939d;
                width: 278px;
                height: 278px;
                text-align: center;
            }
        }
    }
</style>